MSDS Number: F0992 * * * * * Effective Date: 02/01/07 * * * * *
Supercedes: 06/15/04

FERRIC AMMONIUM SULFATE

1. Product Identification

Synonyms: Iron ammonium sulfate; sulfuric acid, ammonium
iron (3+) salt (2:1:1), dodecahydrate; ammonium ferric sulfate
CAS
No.: 10138-04-2 (Anhydrous) 7783-83-7 (Dodecahydrate)
Molecular
Weight: 482.20
Chemical Formula: FeNH4(SO4)2.12H2O

Product Codes:
J.T. Baker: 1988
Mallinckrodt: 5044, 5640

2. Composition/Information on Ingredients

Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------------ ---------

Ferric Ammonium Sulfate 10138-04-2 99 - 100% Yes

3. Hazards Identification

Emergency Overview
--------------------------

CAUTION! MAY CAUSE IRRITATION TO SKIN, EYES, AND RESPIRATORY TRACT.

SAF-T-DATA(tm) Ratings (Provided here for your
convenience)

-----------------------------------------------------------------------------------------------------------

Health Rating: 3 - Severe (Life)
Flammability Rating: 0 - None

Reactivity Rating: 0 - None
Contact Rating: 2 - Moderate
Lab
Protective Equip: GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES
Storage
Color Code: Green (General Storage)

Potential Health Effects
----------------------------------

Inhalation:
May cause irritation to the respiratory tract.
Symptoms may include coughing, sore throat, labored breathing, and chest pain.

Ingestion:
Large oral doses may cause irritation to the
gastrointestinal tract. Low toxicity in small quantities but larger dosages
may cause nausea, vomiting, diarrhea, and black stool. Pink urine
discoloration is a strong indicator of iron poisoning. Liver damage, coma, and
death from iron poisoning has been recorded.
Skin Contact:
May
cause irritation with redness and pain.
Eye Contact:
May cause
irritation, redness and pain. Crystals may be abrasive.
Chronic
Exposure:
No information found.
Aggravation of Pre-existing
Conditions:
Persons with pre-existing skin disorders or eye problems,
or impaired liver, kidney or respiratory function may be more susceptible to
the effects of the substance.

4. First Aid Measures

Inhalation:
Remove to fresh air. Get medical attention
for any breathing difficulty.
Ingestion:
Give several glasses
of water to drink to dilute. If large amounts were swallowed, get medical
advice.
Skin Contact:
Immediately flush skin with plenty of
water for at least 15 minutes. Remove contaminated clothing and shoes. Wash
clothing before reuse. Thoroughly clean shoes before reuse. Get medical
attention if irritation develops.
Eye Contact:
Immediately
flush eyes with plenty of water for at least 15 minutes, lifting upper and
lower eyelids occasionally. Get medical attention if irritation persists.

5. Fire Fighting Measures

Fire:
Not considered to be a fire hazard.

Explosion:
Not considered to be an explosion hazard.

Fire Extinguishing Media:
Use any means suitable for
extinguishing surrounding fire.
Special Information:
In the
event of a fire, wear full protective clothing and NIOSH-approved
self-contained breathing apparatus with full facepiece operated in the
pressure demand or other positive pressure mode.

6. Accidental Release Measures

Ventilate area of leak or spill. Wear appropriate personal
protective equipment as specified in Section 8. Spills: Sweep up and
containerize for reclamation or disposal. Vacuuming or wet sweeping may be
used to avoid dust dispersal.

7. Handling and Storage

Keep in a tightly closed container, stored in a cool, dry,
ventilated area. Protect against physical damage. Containers of this material
may be hazardous when empty since they retain product residues (dust, solids);
observe all warnings and precautions listed for the product.

8. Exposure Controls/Personal Protection

Airborne Exposure Limits:
-ACGIH Threshold Limit Value
(TLV):
1 mg/m3 (TWA) soluble iron salt as Fe
Ventilation System:

A system of local and/or general exhaust is recommended to keep employee
exposures below the Airborne Exposure Limits. Local exhaust ventilation is
generally preferred because it can control the emissions of the contaminant at
its source, preventing dispersion of it into the general work area. Please
refer to the ACGIH document, Industrial Ventilation, A Manual of
Recommended Practices, most recent edition, for details.
Personal
Respirators (NIOSH Approved):
If the exposure limit is exceeded and
engineering controls are not feasible, a half facepiece particulate respirator
(NIOSH type N95 or better filters) may be worn for up to ten times the
exposure limit or the maximum use concentration specified by the appropriate
regulatory agency or respirator supplier, whichever is lowest.. A full-face
piece particulate respirator (NIOSH type N100 filters) may be worn up to 50
times the exposure limit, or the maximum use concentration specified by the
appropriate regulatory agency, or respirator supplier, whichever is lowest. If
oil particles (e.g. lubricants, cutting fluids, glycerine, etc.) are present,
use a NIOSH type R or P filter. For emergencies or instances where the
exposure levels are not known, use a full-facepiece positive-pressure,
air-supplied respirator. WARNING: Air-purifying respirators do not protect
workers in oxygen-deficient atmospheres.
Skin Protection:
Wear
protective gloves and clean body-covering clothing.
Eye Protection:

Use chemical safety goggles. Maintain eye wash fountain and quick-drench
facilities in work area.

9. Physical and Chemical Properties

Appearance:
Pale violet, transparent crystals.

Odor:
Odorless.
Solubility:
Soluble in water.

Specific Gravity:
1.71
pH:
No information found.

% Volatiles by volume @ 21C (70F):
0
Boiling Point:

230C (446F) Water
Melting Point:
39 - 41C (102 - 106F)

Vapor Density (Air=1):
No information found.
Vapor
Pressure (mm Hg):
No information found.
Evaporation Rate
(BuAc=1):
No information found.

10. Stability and Reactivity

Stability:
Stable under ordinary conditions of use and
storage.
Hazardous Decomposition Products:
May emit toxic fumes
of ammonia and sulfur oxide when heated to decomposition.
Hazardous
Polymerization:
Will not occur.
Incompatibilities:
No
incompatibility data found.
Conditions to Avoid:
Heat,
moisture, incompatibles.

11. Toxicological Information

No LD50/LC50 information found relating to normal routes of
occupational exposure. Investigated as a mutagen.

--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Ferric Ammonium Sulfate No No None
(10138-04-2)

12. Ecological Information

Environmental Fate:
No information found.

Environmental Toxicity:
No information found.

13. Disposal Considerations

Whatever cannot be saved for recovery or recycling should be
managed in an appropriate and approved waste disposal facility. Processing,
use or contamination of this product may change the waste management options.
State and local disposal regulations may differ from federal disposal
regulations. Dispose of container and unused contents in accordance with
federal, state and local requirements.

14. Transport Information

Not regulated.

15. Regulatory Information

--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Ferric Ammonium Sulfate (10138-04-2) Yes Yes No Yes

--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Ferric Ammonium Sulfate (10138-04-2) Yes Yes No Yes

--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Ferric Ammonium Sulfate (10138-04-2) No No No No

--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Ferric Ammonium Sulfate (10138-04-2) No No No

Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: No Fire: No Pressure: No
Reactivity: No (Pure / Solid)

Australian Hazchem Code: None allocated.

Poison Schedule: None allocated.
WHMIS:
This MSDS
has been prepared according to the hazard criteria of the Controlled Products
Regulations (CPR) and the MSDS contains all of the information required by the
CPR.

16. Other Information

NFPA Ratings: Health: 1 Flammability: 0
Reactivity: 0
Label Hazard Warning:
CAUTION! MAY CAUSE
IRRITATION TO SKIN, EYES, AND RESPIRATORY TRACT.
Label Precautions:

Avoid contact with eyes, skin and clothing.
Wash thoroughly after
handling.
Avoid breathing dust.
Keep container closed.
Use with
adequate ventilation.
Label First Aid:
If inhaled, remove to
fresh air. Get medical attention for any breathing difficulty. In case of
contact, immediately flush eyes or skin with plenty of water for at least 15
minutes. Get medical attention if irritation develops or persists.

Product Use:
Laboratory Reagent.
Revision
Information:
MSDS Section(s) changed since last revision of document
include: 3.
Disclaimer:

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Mallinckrodt Baker, Inc. provides the information contained herein in
good faith but makes no representation as to its comprehensiveness or
accuracy. This document is intended only as a guide to the appropriate
precautionary handling of the material by a properly trained person using this
product. Individuals receiving the information must exercise their independent
judgment in determining its appropriateness for a particular purpose.
MALLINCKRODT BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER
EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE
INFORMATION SET FORTH HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS.
ACCORDINGLY, MALLINCKRODT BAKER, INC. WILL NOT BE RESPONSIBLE FOR DAMAGES
RESULTING FROM USE OF OR RELIANCE UPON THIS INFORMATION.

************************************************************************************************

Prepared by: Environmental Health & Safety
Phone Number:
(314) 654-1600 (U.S.A.)